0,1

M. Le, On the Interesting Smarandache Product Sequences, Smarandache Notions Journal, Vol. 9, No. 1-2, 1998, 133-134.

F. Smarandache, "Collected Papers", Vol. II, Tempus Publ. Hse., Buharest, Romania, 1996.

F. Iacobescu, Smarandache Partition Type and Other Sequences, Bull. Pure Appl. Sciences, Vol. 16E, No. 2 (1997), pp. 237-240.

F. Smarandache, Sequences of Numbers Involved in Unsolved Problems, Hexis, Phoenix, 2006.

M. L. Perez et al., eds., Smarandache Notions Journal

F. Smarandache, Collected Papers, Vol. II

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

F. Smarandache, Sequences of Numbers Involved in Unsolved Problems.

A000178(n) + 1.

Sequence in context: A100362 A062439 A139521 this_sequence A094352 A073828 A060790

Adjacent sequences: A019512 A019513 A019514 this_sequence A019516 A019517 A019518

nonn,easy

R. Muller